package com.yc.utils;
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import java.io.FileOutputStream;
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import java.io.ObjectOutputStream;
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import java.security.KeyPair;
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import java.security.KeyPairGenerator;
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import java.security.PrivateKey;
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import java.security.PublicKey;
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public class Skey_RSA {
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public static void main(String args[]) throws Exception{
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//创建密钥对生成器，指定加密和解密算法为RSA
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KeyPairGenerator kpg=KeyPairGenerator.getInstance("RSA");
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//指定密钥的长度，初始化密钥对生成器
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kpg.initialize(1024);
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//生成密钥对
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KeyPair kp=kpg.genKeyPair();
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//获取公钥
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PublicKey pbkey=kp.getPublic();
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//获取私钥
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PrivateKey prkey=kp.getPrivate();
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//保存公钥到文件
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FileOutputStream f1=new FileOutputStream("c:/Skey_RSA_pub.dat");
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ObjectOutputStream b1=new ObjectOutputStream(f1);
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b1.writeObject(pbkey);
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//保存私钥到文件
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FileOutputStream f2=new FileOutputStream("c:/Skey_RSA_priv.dat");
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ObjectOutputStream b2=new ObjectOutputStream(f2);
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b2.writeObject(prkey);
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}
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}
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